Loose-leaf binder.



G. R. NELSON.

LOOSE LEAF BINDER.

APPLICATION FILED JAN. 3, 1905.

. 901,549, v Patented 001:. 20, 1908.

srArns P T N curios CHARLES R. NELSON, on suicide, ILLINOIS, ASSIGNOR rosinenn a rimssELL so,

" A CORPORATION or MISSOURI.

LOOSE-LEAF BINDER.

. Specification of Letters Patent.

Patented Oct. 20, 1908.

Original application filed November 30, 1903, Serial No. 183,223. Divided and this application'flled January 8 1905. Serial No. 239,405. 2

To all whom it'may concern;

Be it known that l, OnARLns R. NELSON, a citizen of the United States, andresident of Chicago, county of Cook, and State of Illin'ois, have invented certain new and useful Improvements in Loose-Leaf Binders, of

which the following is a specification, and which are illustrated in the'accompanying drawings, forming a part thereof.

The invention relates to the class of loose leaf binders in which intercollatin sheet holding prongs or hooks are provided for receiving the eaves and securing them between the covers of a book, the prongs being pivoted so to swing in a plane transverse to the length of the book.

The ObjBOll of the invention is to simplify the constructionof this class of binders in order to adapt them to the manufacture of the smaller sizes.

The invention consists in the construction and arrangement of parts to be hereinafter described, and which are illustrated in the accompanying drawings, in Which- Figure 1 is a plan'view of the interior of a binder constructed according'to the invention; Figs. 2, 3 and i are sectional views on the lines 2-2, 33 and 4-4, respectively, of Fig. 1; and Fig. 5 is a sectional view similar to Fig. 2, showing the parts in a ditlerent position. i

he so port for the binding parts consists in a meta plate or slide-way 10, the width of which is slightly less than that of the back and the length of which .is substantially equal to the length of the book. To this metal plate is preferably attached a flexible back-piece 11, which unites the cover boards 12 and. 13. The sides of the plate 10 are turned up, as indicated at14 and 15, and its edges are rolled inwardly, as indicated at 16 and 17, to form a housing for Wires 18 and 19, upon which im-paling hooks or binding members 2'0 and 21 are pivoted. The sides 14 and 15 are recessed, as at 22, to receive these impaling hooks. As shown, the binding members 20 and 21 are each substantially semi-circular in form, the greaterrportion of their length being forward of the pivots l8 and 19. Their outer ends are complementary in form so as to make a smooth joint when these ends are brought together, as well as to provide a pointed member for entering the apertures in the leaves. The inner ends of these hooks are somewhat reduced in thick 515 for its entire length and is secured thereto big at straps 26 and 27, which form ways in Whit,

it may slide. One of the ends of the cam rod 25 is turned u as indicated at 28, to form a thumb-piece or moving it back and forth,

and a portion of its length adjacent eachsot 6-? of the impaling hooks is looped up, as indicated at 29 and 30, these bent portions cm gaging the-slotted ends'of the binding morners 2d and 21 to swing the members about.

theirpivots by a cam action when the rod is 76.,

reciprocated. As the cam rod 25' is most conveniently formed of material having a roundcross section, it will preferably bereduced to rectangular shape at some portion of its length,"as at the end adjacent the thumb piece 28, in which case an ear 3.1-;1s turned up from the back plate 10 andaper tured to receive it and prevent its turning on its axis.

- Leaves are inserted into or removed from so? the ends of t e hooks together, in which p051 tion they wil remain entirely independent of; 9c

the movement of the cover boards12 and 13. In the drawings, the back member 10 isshown as supportin two sets of binding members 20 and 21, t ough this number may be increased without departing from the ill-'15, vention.

I claim as my invent1on-- 1. In a loose leaf binder, in combination, a slide way a bindin ring comprising'a an" of mating filing inem ers pivotall attac edto 100,

the slide way and havin over a'pping inner ends, and a cam slide aving afsmgle 111- pulling out, 0 close the slide Way, a binding ring comprising a pair of clined cam portion for oneratively engaging the slide way the overla med ends 0i both members of the cam iortion. laid i i I both 11181110613,

2. 111 i loose binder in ccmbination, 5 i

' a inclined v muted ends of 10 Ci-EARLES R. NELSON. mating filing members pivotally attached to -Witnesses:

tha silde Way and having overlapping blfu17- Louzsli J. cated 1111161 ends, and a cam. rod mounted on g E M. KLATOHER. 

